*{
	margin: 0;
	padding: 0;
	border: 0 none;
  	outline: none;
}
.box{
	width: 500px;
    margin: 100px auto;
    border: 1px solid #ccc;
	#btns{
		button{
			width: 100px;
			height: 50px;
			float: left;
			border-right: 1px solid #ccc;
			cursor: pointer;
		}
		.active{
			background-color: #eb923f;
		}
	}
	#divs{
		div{
			width: 500px;
			height: 150px;
			font-size: 40px;
			padding-top: 60px;
			background-color: #eb923f;
			text-align: center;
			display: none;//隐藏div
		}
	}
}